Overview of Active and Passive Systems for Treating Acid Mine Drainage

Seervi, Vikram; H.L, Yadav; S.K, Srivastav; Jamal, Aarif

doi:10.17148/iarjset.2017.4525

Cited by 10 publications

(4 citation statements)

References 11 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Passive treatments involve the passage of mine water through a controlled environment, rather than a receiving water body, where naturally occurring geochemical and biological reactions take place and improve the mine water quality [10,54,55]. Examples of passive abiotic treatment include anoxic limestone drains, open limestone channels, limestone leach beds, slag leach beds, diversion wells, limestone sand, and oxidation channels [12].…”

Section: Amd Preventionmentioning

confidence: 99%

“…Unlike passive treatments which depend mostly on naturally occurring reactions, active AMD treatment is performed in a constructed plant where processes are controlled and sustained via the continuous input of resources [60]. It involves the utilisation of alkaline substances to increase the pH of the drainage and precipitate heavy and toxic metals from the AMD [55]. In line with this, the operating and capital costs of sustaining effective and efficient functioning of the plant can be high as it requires a continuous supply of chemicals, electrical and mechanical power sources, and the employment of operations and maintenance staff [60].…”

Section: Amd Preventionmentioning

confidence: 99%

See 1 more Smart Citation

Recent Progress on Acid Mine Drainage Technological Trends in South Africa: Prevention, Treatment, and Resource Recovery

Baloyi,

Ramdhani,

Mbhele

et al. 2023

Water

View full text Add to dashboard Cite

South Africa is the home of major global mining operations, and the acid mine drainage (AMD) contribution has been attributed to abandoned mine sites and huge pyrite-bearing tailings from coal and gold mines. Determining the true economic impact and environmental liability of AMD remains difficult. Researchers have been looking into several treatment technologies over the years as a way to reduce its possible environmental impact. Different methods for active and passive remediation have been developed to treat AMD. The aim of this review was to describe the AMD-impacted environments and critically discuss the properties of AMD and current prediction and preventative methods and technologies available to treat AMD. Furthermore, this study critically analysed case studies in South Africa, gaps in AMD research, and the limitations and prospects offered by AMD. The study outlined future technological interventions aimed at a pattern shift in decreasing sludge volumes and operational costs while effectively improving the treatment of AMD. The various treatment technologies have beneficial results, but they also have related technical problems. To reduce the formation of AMD, it is recommended that more preventive methods be investigated. Moreover, there is a current need for integrated AMD treatment technologies that result in a well-rounded overall approach towards sustainability in AMD treatment. As a result, a sustainable AMD treatment strategy has been made possible due to water reuse and recovery valuable resources such sulphuric acid, rare earth elements, and metals. The cost of AMD treatment can be decreased with the use of recovered water and resources, which is essential for developing a sustainable AMD treatment process. More study is required in the future to improve the effectiveness of the various strategies used, with a focus on reducing the formation of secondary pollutants and recovery of valuable resources.

show abstract

Section: Amd Preventionmentioning

confidence: 99%

Section: Amd Preventionmentioning

confidence: 99%

Recent Progress on Acid Mine Drainage Technological Trends in South Africa: Prevention, Treatment, and Resource Recovery

Baloyi,

Ramdhani,

Mbhele

et al. 2023

Water

View full text Add to dashboard Cite

show abstract

“…Mine water management involves the collection, treatment, and discharge of water that is encountered during mining operations. This water can include groundwater, surface water, and water that are used in the mining process. − Managing this water is essential to ensuring that it does not harm the environment or human health. However, due to the complex nature of mining operations, managing MIW requires advanced statistical data analysis approaches as opposed to the current methods (summary in Text S1 in the Supporting Information).…”

Section: Introductionmentioning

confidence: 99%

Exploring Advanced Statistical Data Analysis Techniques for Interpolating Missing Observations and Detecting Anomalies in Mining Influenced Water Data

Wolkersdorfer

2023

ACS EST Water

View full text Add to dashboard Cite

Collecting mining influenced water (MIW) quality data can result in incomplete data sets with missing values and anomalies, making it challenging to use the data for optimizing mine water management. This work explores advanced statistical data analysis approaches for addressing missing data interpolation and anomaly detection in MIW data sets. The study compares the performance of five different interpolation techniques and four different anomaly detection techniques using supervised and unsupervised machine learning algorithms developed using Python 3.8.16. The results of the study demonstrate that the radial basis function, spline, and k-nearest-neighbors interpolation techniques, along with the predictive confidence interval level anomaly approach based on gradient boosting regression trees, perform best for missing data interpolation and anomaly detection, respectively. Thorough application of these advanced techniques can improve the accuracy and reliability of mine water quality data, which is crucial for making conclusions on the safety of the environment, public health, and effective MIW management. This paper highlights the importance of developing effective methods for addressing missing data and anomalies in MIW data sets, which can ultimately lead to improved treatment plant optimization.

show abstract

“…The occurrence of sulfide minerals dictates the generation of AMD besides other factors like hydrogeology of area, nature of adjoining rocks, presence of water, temperature, and oxygen supply, etc. [7,18]. The AMD generation reaction can be expressed as 4 FeS 2 + 15 O 2 + 14 H 2 O -------4 Fe(OH) 3 ↓ + 8 H 2 SO 4 The surrounding aquatic environment is adversely affected byAMD discharge and as a result aquatic livings are killed.AMD also increases the probability of corrosion in mining machine and fittings and reduces the mining machinery'slife.…”

Section: Introductionmentioning

confidence: 99%

Study of effects of some metals and hydraulic retention time on performance of AMD treatment by SAPS

Patel

2022

IOP Conf. Ser.: Earth Environ. Sci.

View full text Add to dashboard Cite

Acid mine drainage (AMD) is presently observed as one of the major water pollution problems in mining area throughout the world. Proper scientific management of AMD is essential for achieving the national goals for environmental norms. In this studyperformance of AMD treatment by laboratory successive alkalinity producing system (SAPS) by observing the effects of some metals and hydraulic retention time. In this study the experiments were conducted in laboratory successive alkalinity producing system (SAPS) with different synthetic AMDs for five Hydraulic retention times(HRTs). The successive alkalinity producing system shown the promising results during the AMD treatment. The effects of iron, aluminium and manganese were jointly investigated, whichshowed that Net alkalinity generation (NAG) increases with increase in influent metal contents. It was also observed thatNAG also showed increasing tendency with HRT during AMD treatment by SAPS. The obtained findings from this study can be applied for efficient design and operation of successive alkalinity producing system for AMD treatment process in mining industry.

show abstract

Overview of Active and Passive Systems for Treating Acid Mine Drainage

Cited by 10 publications

References 11 publications

Recent Progress on Acid Mine Drainage Technological Trends in South Africa: Prevention, Treatment, and Resource Recovery

Recent Progress on Acid Mine Drainage Technological Trends in South Africa: Prevention, Treatment, and Resource Recovery

Exploring Advanced Statistical Data Analysis Techniques for Interpolating Missing Observations and Detecting Anomalies in Mining Influenced Water Data

Study of effects of some metals and hydraulic retention time on performance of AMD treatment by SAPS

Contact Info

Product

Resources

About